SLVU735A June   2012  – February 2022 TPS51225

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  6. 5 Configurations
  7. 6 Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 List of Test Points
    3. 6.3 Equipment Shutdown
  8. 7 Performance Data and Typical Characteristic Curves
    1. 7.1  5-V Efficiency
    2. 7.2  5-V Load Regulation
    3. 7.3  3.3-V Efficiency
    4. 7.4  3.3-V Load Regulation
    5. 7.5  Enable Turn-On/Turn-Off
    6. 7.6  Output Ripple
    7. 7.7  Switching Node
    8. 7.8  5-V Output Transient with Auto-skip Mode
    9. 7.9  3.3-V Output Transient with Auto-skip Mode
    10. 7.10 Output Prebias Turn-On
    11. 7.11 Thermal Image
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

1 Description

The TPS51225EVM-133 is designed to use a regulated 12-V bus to produce regulated 5-V and 3.3-V outputs at up to 10 A each of load current. The EVM demonstrates the TPS51225 as a computing-system power supply. It also provides 5-V and 3.3-V LDOs and 14-V voltage-current protection (VCP) for charge pump applications.